PAPER PRODUCT,申请号CA20102755993-传众专利搜索

PAPER PRODUCT

申请公布号：CA2755993(A1)

申请号：CA20102755993

申请日期：2010.04.19

申请公布日期：2010.10.28

申请人：

KEMIRA OYJ

发明人：TURKKI, TARJA;VIRTANEN, MIKKO

分类号：D21H17/66;C01F11/46

主分类号：D21H17/66

摘要：The invention relates to a supercalendered paper product comprising first cellu- losic fibres and a gypsum -fibre composite product as a filler pigment or coating pigment, wherein the gypsum in the gypsum -fibre composite product appears as crystals on the surface of the fibre, and wherein the gypsum crystals are obtained by contacting calcium sulphate hemihydrate and/or calcium sulphate anhydrite and an aqueous second fibre suspension. The invention also relates to a process for producing a supercalendered paper product.